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LinearMachine.h
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 1999-2009 Soeren Sonnenburg
8  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
9  */
10 
11 #ifndef _LINEARCLASSIFIER_H__
12 #define _LINEARCLASSIFIER_H__
13 
14 #include <shogun/lib/common.h>
15 #include <shogun/labels/Labels.h>
17 #include <shogun/machine/Machine.h>
18 
19 #include <stdio.h>
20 
21 namespace shogun
22 {
23  class CDotFeatures;
24  class CMachine;
25  class CLabels;
26 
61 class CLinearMachine : public CMachine
62 {
63  public:
66 
68  virtual ~CLinearMachine();
69 
72 
77  virtual SGVector<float64_t> get_w() const;
78 
83  virtual void set_w(const SGVector<float64_t> src_w);
84 
89  virtual void set_bias(float64_t b);
90 
95  virtual float64_t get_bias();
96 
101  virtual void set_features(CDotFeatures* feat);
102 
109  virtual CBinaryLabels* apply_binary(CFeatures* data=NULL);
110 
117  virtual CRegressionLabels* apply_regression(CFeatures* data=NULL);
118 
120  virtual float64_t apply_one(int32_t vec_idx);
121 
126  virtual CDotFeatures* get_features();
127 
133  virtual const char* get_name() const { return "LinearMachine"; }
134 
135  protected:
136 
143 
148  virtual void store_model_features();
149 
150  private:
151 
152  void init();
153 
154  protected:
161 };
162 }
163 #endif

SHOGUN Machine Learning Toolbox - Documentation